Printing-press.



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4 Sheets--Sheet Il.

(No Model.)

WITNESSES:

c l M117 No. 662,36l.

Patented Nov. 27, |900. E. HETT.

PRINTING PRESS.

(Application led Mm'. 6, 1899.

lNvENTon JWM/9% Maw ATTORNEY 4 Sheets-Sheet 2.

r i" ll`| (Ilo Model.)

WITNESSESZ No. 662,86I. Patented Nov. 27. 190i). E. HETT.

PRINTING PRESS.

(Application led Mar. 6, 1899.)

INVENTOR ATTORNEYS Patented Nov. 27, |900.

No. 662,86I.

E. HETT.` PRINTING PRESS.

(Application led Mar. 6,v` 1899.)

4 Sheets-Sheet 4.

(No Model.)

III

WITNESSES ATTORN EYS llnTTnn TnTns liiaTnNT @ittica EDTARD HETT, OF NEV YORK, N. Y;

mismas-nasse.

SPECIFXCATION forming part of Letters Patent No. 662,861, dated. November 27., 190:0.

Application led March 6, 1899. Serial No. 707,925. (No model.)

To @ZZ 1071/0711/ t pta/y cm1/cern.:

Beit known that I, EDWARD HETT, acitizen of the United States, and a resident of New York, (New Dorp,) in the county of Richmond, State of New York, have invented certain new and usefullmprovementsin Printing-Presses, of which the following is a speciiication.

The present invention relates to printingpresses, and especially to multicolor planographic or lithographie printing-presses.

It has for its object to combine the advantages of printing by a curved or cylindrical printing-surface rolling. upon a flat impression-surface and of printing by a series of such printing-couples, with the advantages of rapidity, perfection, and economy characterizing the rotary-press principle of printing on the web by a curved or cylindrical printingsurface or a series of such surfaces upon a curved impression surface or drum.

The invention consists of the new combinations and arrangements of apparatus herein described and claimed.

In the accompanying drawings, which form a part hereof, a machine is represented which embodies my invention in its preferred form and all parts of it.

Figure l is a vertical cross-section of the machine, taken on the line l l of Fig. 2. Fig. 2 isa vertical longitudinal section taken 011 the line 2 2 of Fig. l. Fig. 3 is a side elevation showing the gearing and connected parts for operating the principal moving parts of the machine, Fig. a is a detail view of the tubular printing-surface, and Fig. 5 is a detail sectional View of the tubular printingsurface and its interior support.

Like letters of reference indicate the same parts in all the views.

ln practical use for printing purposes the mechanism ot' the drawings presupposes a preliminary preparation of the series of printing-surfaces before they come to the presssuch, for example, as is set ont in my pending application, Serial No. 695,2Sl, filed November2, lSQS, including apreliminarytransfer-ring to the printing-surfaces-such as is set out, for instance, in my pending application, Serial No. 703,082, iiled January 23,1899. The permanent adjustment in some approved manner of the series of tubular printing-surfaces to such related system of transferring and to each other and to the tlatimpressionsurfaces, respectively, is also presupposed. Moreover, the printing-surfaces are assumed to have been suitably developed in any wellknown Way into lithographic or relief printing-surfaces or other character of printingsurface as desired.

rI`he-drawings show a series of flat impression-surfaces and three printing-surfaces Corresponding thereto; but it will be understood that a greater or less number of impressionsurfaces or of printing-surfaces may be used without departing from the spirit of my invention so long as there is a plurality of impression-surfaces.

A is a portion of the main frame of the press.

B B B, tite., are a series of dat impressionsurfaces pivoted together, as indicated at a, so as to form an endless chain.-

C C are guideways in the main frame, in which the extremities of the pivots a slide or roll to hold the chain of impression-surfaces in place and guide them as they are driven in operation.

D D are two supporting and guiding tracks forming part of the main frame of the machine or connected firmly thereto, and upon which travel two or more series of rollers b, with which the impression-surfaces are provided, as shown, the whole serving to maintain the impression-surfaces in a perfectly level and fixed plane while moving successively under the printing-surfaces in the 0peration of printing.

E E are gear-wheels whose teeth, meshing with the teeth of suitable racks c upon the outer edges of the impression-surfaces, drive the latter, as shown.

F F F are the tubular printing-surfaces, a series of which, each corresponding in circumference with the length ot' the impressionsurfaces, are arranged upon the impressionface of the said impression-surfaces, respectively. The printing-surfaces are tubular, as shown, and are fitted to and supported by and removable from an interior support L, which is shown as a hollow cylinder suitably supported on the shaft M. I prefer to make the the shaft.

IOO

ably arranged so as to support the printingtube from end to end and at every point of the circumference, and to that end the supporting-cylinder L is externally tapered from end to end, and the printing-tube F is correspondingly tapered internally and is an accurate fit for the support. The tube has inner splines and the support corresponding slots, as shown in Fig. 5, the splines sliding in' the slots. To place the tube on the support, it is slid on from one end, and it may be slid up to and against an adjustable stop and held there by any suitable means. It is removed by simply slipping it off endwise after removing the locking devices. The details of the mode of combination of the tube and its support need not be further described. The printing-surfaces are driven positively with the impression-surfaces by means of the gears m, fixed on the shafts M of the supports L and meshing With the racks e. The tubular printing-surface itself is primarily a planographic surface, which is preferably circumferentially continuous, and it is also preferably a composite tube consisting of an inner strengthening-shell-as, for example, of copper-and an outer surface layer of a different metal-as, for example, of Zinc-applied, preferably, by electrolytic deposition of the Zinc upon the copper or by casting the zinc under pressure. The inner shell, as of copper, is represented at c, andthe outer surface, as of zinc, at CZ, in Figs. Lland 5. The cylindrical printing-surface may, however, be made by casting a Zinc tube or by casting a solid zinc cylinder or in any other desired manner or of any other suitable material. This outer surface of the printing-tube must, however, be of suitable material to receive as a transfer the design or picture that is to be printed-for example, after the manner of transferring in lithography-the surface being, as heretofore stated, planographic for the purpose of receiving such transfer. The surface must also be of such acharacter as to be capable of subsequent development into and acting as a printing-surface of the character desired, Whether planographic, relief, or otherwise.

I prefer to employa series of printing-surfaces such as I have described and in such a multicolor-press as is shown in the drawings. In such case the series of original planographic printing-tubes are identical primarily in size and surface character and adapted to receive a series of related transfers of registering designs, each surface printing ordinarily a different color.

G G G are suitable systems of ink-supply mechanisms, each comprising ink-fountain, ductor-roller,and distributing-rollers. H H H are suitable systems of dampening mechanisms. I is the paper-roll and a feed-controlling mechanism suitable for feeding paper on the Wed to the printing and impression surfaces. J is a suitable cutting and delivery mechanism. These or any other suitable devices for inking, dampening, feeding, cutting, and delivery maybe employed, as my invention does not relate to the details thereof.

My invention is intended to combine the advantages of printing with a curved printing-surface upon a flat impression-surface and the advantages of printing with a curved printing-surface upon a curved impression surface or drum. It involves connecting together in an endless series and preferably pivoting together, as it were, in an endless chain a series of fiat impression-surfaces, so that they shall in the operation of printing move one after the other beneath the printing surface or surfaces endlessly and always in the same direction and preferably in a straight line, while the printing surface or surfaces themselves rotate relatively to the said impression-surfaces and to each other and preferably rotate in fixed positions. To accomplish this in its preferred form, the main frame of the press is provided with the continuous guides or ways C, one on each side thereof, in which guides or ways the ends of the pivotsby which the impression-su rfaces are connected together are held against any other motion except the prescribed motion imposed upon them by the driving-wheels E, a contiu nous motion toward and beneath and away from the printing surface or surfaces and around and toward and beneath and away from it or them again, and so on. Motion is imparted to the endless chain of impressionsurfaces by gear-wheels on each side of the press, whose cogs or teeth act upon corresponding teeth which are coutinuouson either side of the whole series of impression-surfaces. To support the impression-surfaces during the operation of printing, a solid bed or track forming part of the main frame of the machine is provided, upon and across which the impression-surfaces move, being each provided with a series of small rollers to diminish friction. A similar bed or track is also provided at the lower portion of the main frame, which is instrumental in controlling and facilitating the movement of the impression-surfaces on their Way to the position occupied by them during the act of printing. The printing-surfaces are actuated in their revolution by gears meshing with the gearing of the impression surfaces, so that the movement of the impression-surfaces imparts a positive rotating movement to the printingsu rfaces,vrhich otherwise are during the printing operation fixed in their positions in the preferred form of my invention, both with respect to the impression-surfaces and with respect to each other Where more than one is employed. It is apparent that one or more printing-surfaces may be employed, as desired. Moreover, sheets may be fed to the press and printed as distinguished from printing upon the web, in which case the cutting devices will not be employed. The surface of these impression-plates, which, however, forms no part of thisinvention, may be IIO of the character best adapted for planosion-surfaces, together with the paper to be printed, pass under one printing-surface after another in succession as distinguished from there being a separate impression-surface for each printing-surface; any given l point on any impression-surface always registers with the same point on any printingsurface, so that in typographie work or relief or intaglio printing the process of make-ready may be applied to the said impression-surfaces where a single printing-cylinder is used; the various parts of the mechanism are more readily accessible; in fact, many of the advantages of straightline printing and of printing upon a great centraldrurn surrounded by a series of printing-surfaces are united in a press constructed according to my invention.

It is manifest that the apparatus for forcing the ink-supply systems and the dampening mechanisms away from the printing-surfaces, such as I have described in connection with other applications, may be employed. Suitable apparatus with suitable trains of gearing are shown in Fig. 3, where shaft N operates to raise and lower the inking mechanisms, O the'dampening mechanisms, and P the printing-surfaces themselves. The shaft N is connected to the inking mechanisms by means of the vertical shafts a, which are provided at their upper ends with worms yn, meshing with the worm-wheels n2, secured to the inking-frames. The shaftOisconnected' with the damping mechanisms by means of the worms o thereon, which mesh with the worm-wheels o, secured to the frames of the damping mechanisms, as shown. The shaft Pis connected with the boxes in which the shafts of the printing-form supports are journaled by means of the vertical pressure-bars p, the threaded lower ends of which engage with suitable nuts formed in the hubs of the gears p', as indicated in Fig. 3. These parts are duplicated on the opposite sides of the machine, as indicated in Fig. l, the two sets of mechanism being connected by a shaft p2. The shafts N, O, and P may be operated and cont-rolled by hand or by any suitable mechanisin-sueh, for instance, as that shown and described in the patent granted to me November 2l, 1899, No. 637,569.

The dampening mechanism may of course be omitted in presses where that feature of planographic work is not employed.

For the purposes of the invention in its broadest expression it is not necessary that the impression-surfaces be pivotally connected as contradistinguished from rigidly connected, nor is it necessary that the printingsurfaces should rotate in a xed position, although l prefer those constructions and peculiar advantages attend both.

lhe invention is of special advantage and importance in connection with planographic printing-surfaces and planographic printing.

What l claim as new, and desire to secure by Letters Patent, is-

l. The combination of a continuous cylindrical printing-surface with a series of fiat impression-surfaces connected together in an endless series, each corresponding in length to the circumference of the printing-surface and driven positively therewith, substantially as described.

2. The combination of a series of continuous cylindrical printing-surfaces with a series of fiat-impression-surfaces connected together in an endless series, each corresponding in length to the circumference of the printingsurfaces and driven positively therewith, su bstantially as described.

3. The combination of a continuous cylindrical printing-surface with a series of flat impression-surfaces connected together in an endless series each corresponding in length to the circumference of the printing-surface and driven positively therewith, and suitable paper controlling and delivering devices for printing ou the web, substantially as described.

4s. The combination of a series of continuous cylindrical printing-surfaccs with a series of Hat impressionsurfaces connected together in an endless series, each corresponding in length to the circumference of the printingsurfaces and driven positively therewith, and suitable paper controlling and delivering devices for printing on the web, substantially as described.

The combination of a continuous cylindrical planographic printing-surface with a series of flat impression-surfaces connected together in an endless series, each corresponding i n length to the circum ference of the printing-surface and d riven positively therewith, substantially as described.

6. The combination of a series of continuous cyliiiidrical planographic pri nting-surfaces with a series of flat impression-surfaces connected together in an endless series, each corresponding in length to the circumference of the printing-surfaces and driven positively therewith, substantially as described.

7. 'lhe combination of a series of continuons cylindrical plauographic printiingsurfaces with a series of flat impression-surfaces connected together in an endless series, each corresponding in length to the circumference of the printing-surfaces and driven positively therewith, and suitable paper controlling and delivering devices for printing on the web, substantially as described.

8. The combination of a tubular printing- IIO surface having an interior support from which it is removable, with a series a flat impressionsurfaces connected together in an endless series, each corresponding in length to the circu mference of the prin ting-surface and driven positively therewith,substantially as set forth.

9. The combination of a series of tubular printing-surfaces each having an interior support from which it is removable, with a series of-atimpression-surfaces connected together in an endless series and corresponding in length to the circumference of the printingsurfaces and driven positively therewith, substantially as set forth.

10. The combination of a planographic tubularprinting-surface havinganinteriorsupport from which it is removable, with a series of flatimpression-surfaces connected together in an endless series, each corresponding in length to the circumference of the printingsurface and driven positively therewith, substantially as set forth.

11. The combination of a series of planographic tubular printing-surfaces each having an interior support from which it is removable, with a series of fiat impressionsurfaces connected together in an endless series, and corresponding in length to the circumference of the printingsurfaces and driven positively therewith, substantially as set forth.

12. The combination of a tubular printingsurface having an interior support from which it is removable,with a series of flat impressionsurfaces connected together in an endless series, each corresponding in length to the circumference of the printing-surface and driven positively therewith, and suitable paper controlling and delivery devices for printing on the web, substantially as described.

13. The combination of a series of tubular printing-surfaces,each having an interior su pport from which it is removable, with a series of flatimpression-surfaces connected togetherV in an endless series and corresponding in length to the circumference of the printingsurfaces and driven positively therewith, and suitable paper controlling and delivery devices for printing on the web, substantiall as described.

14. The combination of a planographic tubular printing-surface having an interior support from which it is removable, with a series of flat im pression-surfaces connected together in an endless series, each corresponding in length to the circumference of the printingsurface and driven positively therewith, and suitable paper controlling and delivery devices for printing on the web, substantially as described.

15. The combination of a series of planographic tubular printing-surfaces each having an interior support from which it is removable, with a series of flat im pression-surfaces connected together in an endless series, and corresponding in length to the circumference of the printing-surfaces and driven positively therewith, and suitable paper controlling and delivery devices for printing on the web, substantially as described.

16. The combination of a tubular printingsurface having an interior support from which it is removable, with a series of flat impression-surfaces pivoted together in an endless chain, each corresponding in length to the circumference of the printing-surface and driven positively therewith, substantally as set forth.

17. The combination of a series of tubular printing-surfaces each having an interior support from which it is removable, with a series of fiat impression-surfaces pivoted together in an endless chain, and corresponding in length to the circumference of the printingsurfaces and driven positively therewith,substantially as set forth.

18. The combination of a planographic tubularprinting-surface having an interior support from which it is removable, With a series of flat impression-surfaces pivoted together in an endless chain, each corresponding in length to the circumference of the printingsurface and driven positively therewith, substantially as set forth.

19. The combination of a series of planographic tubular printing-surfaces each having an interior support from which it is removable, with a series of flat impression-su rfaces pivoted together in an endless chain and corresponding in length to the circumference of the printing-surfaces and driven positively therewith, suhstantially as set forth.

20. The combination of a tubular printingsurface having an interior support from which it is removable, with a series of at impression-surfaces pivoted together in an endless chain, each corresponding in length to the circumference of the printing-surface and driven positively therewith, and suitable paper controlling and delivery devices for printing on the web, substantially as set forth.

21. The combination of a series of tubular printing-surfaces each having an interior supportfrom which itis removable, with a'series of flat impression-surfaces pivoted together in an endless chain, and corresponding in length to the circumference of the printingsurfaces and driven positively therewith, and suitable paper controlling and delivery devices for printing on the web, substantially as set forth.

22. The combination of a planographic tubular printing-surface having an interior support from which it is removable, with a series of flat impression-surfaces pivoted together in an endless chain, each corresponding in length to the circumference of the printingsurface and driven positively therewith, and suitable paper controlling and delivery devices for printing on the web, substantially as set forth.

23. The combination of a series of planographic tubular printing-surfaces each having an interior support from which it is re- IOO movable, with a series of flat impression-surfaces pivoted together in an endless chain and corresponding in length to the circumference of the printing-surfaces and driven positively therewith, and suitable paper controlling and delivery devices for printing on the web, substantially as set forth.

24C. The combination of a tubular printingsurface having an interiorsupport from which it is removable, with a series of flat impression-surfaces pivoted together in an endless chain, each corresponding in length to the circumference of the printing-surface and driven positively therewith, suitable paper controlling and delivery devices for printing on the web, and suitable paper-cutting de vices, substantially as set forth.

25. The combination of a planographic tubular prin ting-surface having an interior support from which it is removable, with a series of flat impression-surfaces pivoted together in an endless chain, each corresponding in length to the circumference of the printingsurface and driven positively therewith, suitable paper controlling and delivery devices for printing on the web, and suitable papercutting devices, substantially as set forth.

26. The combination of a series ot' planographic tubular printing-surfaces each having an interior support from which it is removable, with a series of liat impression-surfaces pivoted together in an endless chain and corresponding in length to the circumference of the printing-surfaces anddriven positively therewith, `suitable paper controlling and delivery devices for printing on the web, and suitable paper-cutting devices, substantially as set forth.

27. The combination of a tubularprintingsurface having an interior support from which it is removable, and adapted to rotate in a fixed position during the operation of printing, with a series of flat impression-surfaces pivoted together in an endless chain, each corresponding in length to the circumference of the printing-surface and driven positively therewith, substantially as set forth.

2S. The combination of a series of tubular printing-surfaces each havingan interiorsupport from which it is removable, and adapted to rotate in a fixed position during the operation of printing, with a series of flat impression-surfaces pivoted together in an endless chain, and corresponding in length to the circumference of the printing-surfaces and driven positively therewith, substantially as set forth.

29. The combination of a planographic tubular printing-surface having an interiorsupport from which itis removable, and adapted to rotate in a fixed position during the operation of printing, with a series of flat impression-surfaces pivoted together in an endless chain, each corresponding in length to the circumference of the printing-surface and driven positively therewith, substantially as set forth.

30. rlhe combination of a series of planographic tubular printiiig-surfaces each having an interior support from which it is removable, and adapted to rotate in a fixed position during the operation of printing, with a series of hat impression-surfaces pivoted together in an endless chain and corresponding in length to the circumference of the printing-surfaces and driven positively therewith, substantially as set forth.

3l. The combination of a' tubular printingsurface havingau interior su pport from which it is removable, and adapted to rotate in a fixed position during the operation of printing, with a series of flat impression-surfaces pivoted together in an endless chain, each corresponding in length to the circumference of l the printing-surface and driven positively therewith, and suitable papercontrolling and delivery devices for printing on the web, substantially as set forth.

32. The combination of a series of tubular printing-surfaces each having an interior support from which it is removable, and adapted to rotate in a fixed position during the operation of printing, with a series of fiat im pression-surfaces pivoted together in an endless chain, and corresponding in length to the circumference of the printing-surfaces and driven positively therewith, and suitable paper controlling and delivery devices for printing onthe web, substantially as set forth.

33. The combination of a planographic tubular printing-surface having an interior snpport from which it is removable, and adapted to rotate in a fixed position during the operation of printing, with a series of flat impression-surfaces pivoted together in an endless chain, each corresponding in length to the circumference of the printing-su rface and driven positively therewith, and suitable paper controlling and delivery devices for printing on the web, substantially as set forth.

34. The combination of a series of planographic printing-surfaces each having an interior support from which it is removable, and adapted to rotate in a fixed position during the operation of printing, with a series of fiat impression-surfaces pivoted together in an endless chain and corresponding inlength to the circumference of the printing-surfaces and driven positively therewith, and suitable paper controlling and delivery devices for printingon the web, substantially as set forth.

35. The combination of a tubular printingsurface having aninteriorsupport from which it is removable and adapted to rotate in a fixed position during the operation of printing, with a series of flat impression-surfaces pivoted together in an endless chain, each corresponding in length to the circumference of the printing-surface, said chain of impression-surfaces being driven positively with the printing-surface and arranged to move in a straight line under the printing-surface during the operation of printing, substantially as set forth.

ICO

36. The combination of a series of tubular printing-surfaces each having an interior support from Which it is removable and adapted to rotate in a fixed position during the operation of printing, with a series of fiat im pression-surfaces pivoted together in an endless chain each corresponding in length to the circumference of the printing-surfaces, said chain of impression -surfaces being driven positively with the printing-surfaces and arranged to move in a straight line under the printingsurfaces during the operation of printing, substantially as set forth.

37. The combination of a planographic tubular printing-su rface having` an interior support from Which it is removable and adapted to rotate in a fixed position during the operation of printing, with a series of flat impression-surfaces pivoted together in an endless chain, each corresponding in length to the circumference of the printing-surface, said chain ofimpression-surfaoes being driven positively with the printing-surface and ar- :ranged to move in a straight line under the printing surface during the operation of printing, substantially as set forth.

38. The combination with a series of planographic tubular printing-surfaces each having an interior support from which it is removable and adapted to rotate in a fixed position during the operation of printing, with a series of fiat impression-surfaces pivoted together in an endless chain, each corresponding in length to the circumference of the printing-surfaces, said chain of impressionsurfaces being driven positively with the printing-surfaces and arranged to move in a straight line under the printing-surfaces during the operation of printing, substantially as set forth.

39. The combination of a tubular printingsurface havingan interior support from which it is removable and adapted to rotate in a fixed position during the operation of printing, with a series of fiat impression-surfaces pivoted together in an endless chain, each corresponding in length to the circumference of the printing-surface, said chain of im pression-surfaces being driven positively with the printing-surface and arranged to move in a straight line under the printing-surface during the operation of print-ing, and suitable paper controlling` and delivering devices for printing on the web, substantially as set forth.

40. The combination of a series of tubular printing-surfaces, each having an interior support from which it is removable and adapted to rotate in a fixed position during the operation of printing, with a series of fiat impression-surfaces pivoted together in an endless chain, each corresponding in length to the circumference of the printing-surfaces, said chain ofim pression-surfaces being driven positively With the printing-surfaces and arranged to move in a straight line under the printing surfaces during the operation of printing, and suitable paper controlling and delivering devices for printing on the Web, substantially as set forth.

4L The combination of a planographic tubular printing-surface having an interior support from which it is removable and adapted to rotate in a fixed position during the operation of printing, with a series of flat impression-surfaces pivoted together in anV endless chain, each corresponding in length to the circumference of the printing surface, said chain ofim pression-surfaces being driven posit-ively With the pri nting-surfaee and arranged to move in a straight line under the printingsurface during the operation of printing, and Suitable paper controlling and delivering devices for printing on the web, substantially as set forth.

42. The combination of a series of planographic tubularprinting-surfaces, each having an interior support from which it is removable and adapted to rotate in a fixed position during` the operation of printing, with a series of flat impression-surfaces pivoted together in an end less chain, each corresponding in length to the circumference of the printing-surfaces, said chain of impressionsurfaces being driven positively with the printing-surfaces and arranged to move in a straight line under the printing-surfaces during the operation of printing, and suitable paper controlling and delivering devices for printing on the Web, substantially as set forth.

43. The combination of a tubular printingsurface having an interior su pport from which it is removable and adapted to rotate in a fixed position during the operation of printing, with a series of fiat impression-surfaces pivoted together in an endless chain, each corresponding in length to the circumference of the printing-surface, said chain of impression-surfaces being driven positively With the printing-surface and arranged to move in a straight line under the printing-surface during the operation of printing, and suitable paper controlling and delivering devices for printing on the Web, and suitable papercutting devices, substantially as set forth.

44. The combination of a series of tubular printing-surfaces,each having an interiorsupport from which it is removable and adapted to rotate in a fixed position during the operation of printing, with a series of fiat impression-surfaces pivoted together in an endless chain, each corresponding in length to the circumference of the printing-surfaces, said chain of impression-su rfaces being driven positively with the printing-surfaces and arranged to move in a straight line under the printing-surfaces during the operation of printing, and suitable paper controlling and delivering devices for printing on the web, and suitable paper-cutting devices, substantially as set forth.

45. The combination of a planographic tubular printing-surface having an interior support from which it is removable and adapted to rotate in a fixed position during the opera- IKO tion of printing, with a series of fiat impression-surfaces pivoted together in an endless chain, each corresponding in length to the circumference of the printing-surface,said chain of impression-surfaces being driven positively with the printing-surface and arranged to move .in a straight line under the printingsurface during the operation of printing, and suitable paper controlling and delivering devices for printing on the Web, and suitable paper-cutting devices, substantially as set forth.

4G. The combination of a series of planographic tubular printing-surfaces, each having an interior support from which it is removable and adapted to rotate in a fixed position during the operation of printing, with a series of iiat impression-surfaces pivoted together in an endless chain,each corresponding in length to the circumference of the printing-surfaces, said chain of impression-surfaces being driven positively with the printing-surfaces and arranged to move in a straight line under the printing-surfaces during the operation of-printing, and suitable paper controlling and delivering devices for printing on the web, and suitable paper-cntting devices, substantially as set forth.

47. The combination with a series of continuous cylindrical printing-surfaces, of a series of fiat impression surfaces connected together in an endless chain, and means for simultaneously separating the printing-surfaces from the impression-surfaces, substantially as described.

4:8. The combination with a series of continuous cylindrical planographic printingsurfaces, of a series of fiat impression-surfaces connected together in an endless chain, and means for simultaneously separating the printing-surfaces from the impression-surfaces, substantially as described.

49. The combination with a series of continuous cylindrical printing-surfaces, of a series of fiat impression-surfaces connected together in an endless chain, means for simultaneously separating the printingesur-` faces from the impression-surfaces, and suitable paper controlling` and delivering devices for printing on the web, substantially as set forth.

50. The combination with a series of continuous cylindrical planographic printingsu rt'aces, of a series of fiat impression-surfaces connected togetherin an endless chain, means for simultaneously separating the printingsurfaces from the impression-surfaces, and suitable paper controlling and delivering devices for printing on the web, substantially as set forth.

5l. The combination with a series of continuous cylindrical printing-surfaces, of a series` of fiat impression-surfaces connected together in an endless chain, a series of inking mechanisms, one for each printing-surface, means forsimultaneously separating the printing-surfaces from the impression-surfaces, and means for simultaneously separating the in king mechanisms from the printingsurfaces, substantially Vas described.

52. The combination with a series of continuous cylindrical printing-surfaces, of a series of flat impression-surfaces connected together in an endless chain, a series of inking mechanisms, one for each printing-surface, means for simultaneously separating the printing-surfaces from the impression-surfaces, means for simultaneously separating the inking mechanisms from the printing-su rfaces, and suitable paper controlling and deliver'in'g1 devices for printing on the web, substantially as described.

53. The combination with a series of continuous cylindrical planographic printingsurfaces, of a series of fiat impression-snrfaces connected together in an endless chain, a series of inking and damping mechanisms, one for each printing-surface, means for simultaneously separating the printing-surfaces from the impression-surfaces,and means for simultaneously separating the inking and damping mechanisms from the printing-surfaces, substantially as set forth.

54. The combination with a series of continuous cylindrical planographic printingsurfaces, of a series of fiat impression-surfaces connected together in an endless chain, a series of inking and damping mechanisms, one for each printing-surface, means for simultaneously separating the printing-surfaces from the impression-surfaces, means for simultaneously separating the inking and damping mechanisms from the printing-surfaces, and suitable paper controlling and delivering devices for printing on the Web, substantially as described.

55. The combination of a circumferentiallycontinuous curved printing-surface with a series of fiat impression-surfaces connected together in an endless series,each corresponding in length to the circumference of the printingsurface and driven positively therewith, substantially as described.

56. The combination of a series of circumferentially-continuous curved printing-snrfaces with a series of flat-impression-surfaces connected together in an endless series, each corresponding in length to the circumference of the printing-surfaces and driven positively therewith, substantially as described..

57. The combination of a circum ferentiallycontinuous curved planographic print-ingsurface with a series of fiat impression-surfaces connected togetherin an endless series, each correspondingin length to the circumference of the printing-surface and driven positively therewith, substantially as described.

In testimony whereof I have signed my name to this specification in the presence of two subscribing Witnesses.

EDWARD HETT.

Witnesses:

Gno. W. MILLS, J r., EDWIN SEGER.

lOO

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